用that/if/whether填空
1.Thereasonhehasseensuchasuccessis___henevergiveup.8.Mycousinaskedme___icouldlendhimthenovel.
9.Anideaaccusedtome___imightturntomyEnglishteacherforhelp.
10.Theyrealize___itisofgreatvaluerecordandteachthemtotheyoungergeneration.
11.___hewillattendthemeetingisnotdecided.
12.Itisapity___shehasmakesuchamistake.
13.Itispossible___theywillcompletethebuildingin3mouths.
14.Thepossibility___themajorityofthelabourforcewillworkathomeisoftendiscussed.
15.Wewonder___heisreadynow.
16.Youshouldmakeadecision___youwillgoorstar.